MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to a redirector service known for malicious activity. The document body and heuristics indicate a lure for free downloads, likely leading to malware. The ML classifier strongly supports the malicious verdict.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.cc/pify?keyword=fcc+bcc+hcp+crystal+structure+pdf In PDF document text
- http://files.apexvoterguide.org/uploads/1/3/0/7/130739120/5314331.pdfIn PDF document text
- http://biraxoloj.dieseledge.com/uploads/1/3/1/4/131437919/f11305306a32.pdfIn PDF document text
- http://files.lentigokennels.com/uploads/1/3/1/4/131453354/4019841.pdfIn PDF document text
- http://palowutiw.amandaauerbach.com/uploads/1/3/0/8/130873804/javurapijani.pdfIn PDF document text
- http://sabogoka.southedinburghartsfair.org/uploads/1/3/1/0/131070450/8127363.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/5686/1077/files/boundaries_participant_s_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2144/2977/files/organizao_do_ambiente_de_trabalho.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3579/5354/files/pakugedagakofufig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7889/3214/files/datatoje.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6137/1290/files/nixiwofixukuretopavixu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0886/6974/files/getguru_help_center.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5336/7975/files/56581435680.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/28650507632.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2865/9880/files/luwamo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7797/4678/files/common_app_recommender.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4028/4577/files/kusalokipikar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5654/6463/files/voresupira.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5025/3979/files/73207255259.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5651/2680/files/92955584973.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006684.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6684 | 5440 bytes |
SHA-256: cfc6fc0369d2ebe26fd5803bfe9a5fbc03b7426eda1c86e76502b0b1a72c540e |
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font_01_sfnt_off000078fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78FE | 11000 bytes |
SHA-256: c91a2ac8464cda57740d91a9906fc7da7e4bf9d59d9ffb57192e9c3204f45a1b |
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